Sink



FIG. 1 is a front perspective view of a sink in accordance with the present design;

FIG. 2 is a front elevational view thereof,

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view an alternative embodiment in accordance with the present design;

FIG. 9 is a front elevational view thereof,

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a left side elevational thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front perspective view an alternative embodiment in accordance with the present design;

FIG. 16 is a front elevational view thereof,

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a right side elevational view thereof;

FIG. 19 is a left side elevational thereof;

FIG. 20 is a top plan view thereof;

FIG. 21 is a bottom plan view thereof;

FIG. 22 is a front perspective view an alternative embodiment in accordance with the present design;

FIG. 23 is a front elevational view thereof,

FIG. 24 is a rear elevational view thereof;

FIG. 25 is a right side elevational view thereof;

FIG. 26 is a left side elevational thereof;

FIG. 27 is a top plan view thereof; and,

FIG. 28 is a bottom plan view thereof.

The broken lines shown are included for the purpose of illustrating a portion of the sink that form no part of the claimed design. 

CLAIM The ornamental design for a sink, as shown and described. 